#announcement {
    margin: 20px 2% 0px 2%;
    width: 96%;
    border-left: none;
    border-right: none;
    border-bottom: none;
    padding-top: 15px;
}

.layui-elem-field {
    #deptMenuContent {
        width: 22%;
        border: 1px solid #E8E7E4;
        margin-top: 2px;
        display: none;
    }
    .layui-form-item {
        position: relative;
        .right-bottom {
            position: absolute;
            right: 0;
           top: 60px;
        }
    }
}